使用带有history包的React Router，当你推送一条与当前路由相同的新路由时，它是否会在历史堆栈中替换它或添加到堆栈中？我可以't see in the docs. It seems like it adds judging by the number of times I need to click the browser back button. So if I don'想要它添加，我需要自己进行检查吗？